Blue Ray Discs
More at: Neoprene iPod Cases. Blue ray discs are the newest intervention in technological sphere. This new optical disc format is a proud development of the Blu Ray Disc Association (BDA) that include HP, Dell, LG, Hitachi, Apple, Samsung, Panasonic, JVC, Sony, Mitsubishi, Philips, Pioneer, Sharp, Thomson, and TDK. The BDA boasts 180 of the world’s leading consumer electronics, media and personal computer manufacturers.
Just as the name denotes, the blue ray discs use a blue-violet laser to access data as against the existing technology of red laser. A blue-violet laser (405nm) possesses very shorter wavelength than a red laser (650nm), thus enabling the focusing of the laser spot with exceptional accuracy.
The advantage of this is that, it permits data to be stored in less space since the data can be packed more tightly, which further, allows consumers to fit additional data on the disc even though it may be the same size as a CD or a DVD. Additionally, blue ray discs offer a large storage capacity. A single-layer blue ray disc can store up to 27GB of data which is more than 2 hours of high-definition video and 13hours hours of standard video. The dual-layer blue ray disc can store 50GB of data which is 4.5hours of high-definition video and more than 20hours of a standard video.
Blue ray discs are the ideal expression of the last in consumer experience. It additionally permits the rewriting, recording, playing and distribution of HD videos. The blue ray discs have been based on the bare disc physical factor which renders it consistent with compact discs and DVDs.
Blue ray discs are soft on the producers too as these are made by injection-molding technique on a single 1.1-mm disc in contrast to the traditional which by that cuts down on overheads.
This savings balances out the expenses of adding the protective layer required on blue ray discs which means that the end price cannot be very different from the price of a regular DVD. Blue ray discs also boasts of an advanced data transfer rate of thirty-six Mbps over the present-day DVDs that does the data transferring @ ten Mbps. This means that it would take only an hour and a half to record 25GB of data onto a blue ray disc.
The conventional DVDs and CDs initially came into the market with merely read-only formats. The blue ray discs however, plan to provide a wide range of formats that include BD-ROM (read only), BD-R (recordable) and BD-RE (rewritable).
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Tagged: audio, blue ray, bluray, cd, dvd, technology, video
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